tge/engine/collision/extrudedPolyList.h
2025-02-17 23:17:30 -06:00

108 lines
2.6 KiB
C++
Executable File

//-----------------------------------------------------------------------------
// Torque Game Engine
// Copyright (C) GarageGames.com, Inc.
//-----------------------------------------------------------------------------
#ifndef _EXTRUDEDPOLYLIST_H_
#define _EXTRUDEDPOLYLIST_H_
#ifndef _MMATH_H_
#include "math/mMath.h"
#endif
#ifndef _TVECTOR_H_
#include "core/tVector.h"
#endif
#ifndef _ABSTRACTPOLYLIST_H_
#include "collision/abstractPolyList.h"
#endif
struct Polyhedron;
struct CollisionList;
//----------------------------------------------------------------------------
/// Extruded Polytope PolyList
///
/// This class is used primarily for collision detection, by objects which need
/// to check for obstructions along their path. You feed it a polytope to
/// extrude along the direction of movement, and it gives you a list of collisions.
///
/// @see AbstractPolyList
class ExtrudedPolyList: public AbstractPolyList
{
public:
struct Vertex {
Point3F point;
U32 mask;
};
struct Poly {
PlaneF plane;
SceneObject* object;
U32 material;
};
struct ExtrudedFace {
bool active;
PlaneF plane;
F32 maxDistance;
U32 planeMask;
F32 faceDot;
F32 faceShift;
F32 time;
Point3F point;
F32 height;
};
typedef Vector<ExtrudedFace> ExtrudedList;
typedef Vector<PlaneF> PlaneList;
typedef Vector<Vertex> VertexList;
typedef Vector<U32> IndexList;
static F32 EqualEpsilon;
static F32 FaceEpsilon;
// Internal data
VertexList mVertexList;
IndexList mIndexList;
ExtrudedList mExtrudedList;
PlaneList mPlaneList;
VectorF mVelocity;
VectorF mNormalVelocity;
F32 mFaceShift;
Poly mPoly;
// Returned info
CollisionList* mCollisionList;
PlaneList mPolyPlaneList;
//
private:
bool testPoly(ExtrudedFace&);
public:
ExtrudedPolyList();
~ExtrudedPolyList();
void extrude(const Polyhedron&, const VectorF& vec);
void setVelocity(const VectorF& velocity);
void setCollisionList(CollisionList*);
void adjustCollisionTime();
void render();
// Virtual methods
bool isEmpty() const;
U32 addPoint(const Point3F& p);
U32 addPlane(const PlaneF& plane);
void begin(U32 material, U32 surfaceKey);
void plane(U32 v1,U32 v2,U32 v3);
void plane(const PlaneF& p);
void plane(const U32 index);
void vertex(U32 vi);
void end();
protected:
const PlaneF& getIndexedPlane(const U32 index);
};
#endif